Lid assembly for a container
US5755351A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jan 16, 1996 |
| Grant date | May 26, 1998 |
| Priority date | — |
| Expiry date | Jan 16, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S220/908
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
For a container having sides, a top and an upwardly facing opening in the top, a lid assembly includes a lid member having a width and being sized to cover and seal shut the opening; elements for mounting the lid to the container including a pair of guide rails mountable to the top of the container and at least one guide channel mountable to the top of the container; a plurality of rollers mounted to and at opposite ends of the lid member, the rollers being sized, configured and positioned to ride upon and follow the guide rails; at least one follower roller mounted to the lid member to one of the inside and the outside of the plurality of rollers, the follower roller being sized, configured and positioned to follow and stay operably engaged with the at least one guide channel; and wherein the guide rails and plurality of rollers and at least one guide channel and at least one follower roller all mutually coact to permit the lid member to be moved between a closed and clamped position wherein the lid member is positioned over and tightly clamped to the container to seal shut the opening and a closed and unclamped position wherein the lid member is positioned over the opening but is…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.